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Effects of the β-adrenoceptor antagonists atenolol and propranolol on human unstimulated whole saliva flow rate and protein composition
Tommy Nederfors 1, 1 , Carl Dahlöf 2 Svante Twetman 3 ,
  1 Faculty of Odontology, University of Gothenburg, Gothenburg   2 Departments of Pharmacology and Clinical Pharmacology, University of Gothenburg, Gothenburg   3 Department of Pedodontics, Karolinska Institute, Huddinge, Sweden
Correspondence to  Department of Hospital Dentistry, Central Hospital, S-301 85 Halmstad, Sweden
Copyright Munksgaard 1994
KEYWORDS
atenolol • β-adrenoceptor antagonists • hypertension • propranolol • saliva

ABSTRACT

The effects of 1-wk medication with two β-adrenoceptor antagonists on unstimulated whole saliva flow rate and protein composition were evaluated in 11 healthy young men in a randomized, double-blind, placebo-controlled, crossover study. Unstimulated whole saliva was collected before each treatment period and then again after 7 days. The saliva was assessed for flow rate, total protein, and hexosamine and sialic acid concentrations and for amylase activity. No significant effect on saliva secretion rate was found. A statistically significant reduction of salivary total proteins was registered during atenolol medication. The amylase activity decreased significantly during treatment with both atenolol and propranolol. Significant changes of the calculated ratios of sialic acid/hexosamine and hexosamine/total protein indicated an alteration in glandular protein synthesis after atenolol treatment.


Accepted for publication 12 October 1993

DIGITAL OBJECT IDENTIFIER (DOI)
10.1111/j.1600-0722.1994.tb01186.x About DOI

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